CN2111890U

CN2111890U - Automobile steering wheel lock that can be pulled in one direction

Info

Publication number: CN2111890U
Application number: CN91223477U
Authority: CN
Inventors: 王清荣
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-08-15
Filing date: 1991-08-15
Publication date: 1992-08-05

Abstract

A lock for steering wheel of car is composed of a main body, a spring, a lock pin, a stop block, a lock core, a sleeve rod and a slender rod, and features that a slide-guiding slope is arranged above the left surface of the ring slot near the tail end of said slender rod, a slope is arranged in the middle of right surface, and a vertical embedding tangent plane is arranged above said slope.

Description

Auto's steering wheel locking implements pulled only in one-way action

The utility model provides a kind of improved vehicle steering lockset of doing unidirectional pulling, referring in particular to lock pin can fall within the annular groove of elongate rod down rapidly and really, prevent to cause whole of elongate rod to be drawn out, the vehicle steering lockset that in-use performance is good when overexerting outside stretching elongate rod.

Known can unidirectional pulling automotive lock as shown in Figure 1, its elongate rod 10 proximal end places are the annular groove 11 that is provided with a vertical incision so that during lock pin 12 is embedded in, deviate from outside the body 13 to prevent elongate rod 10, yet there is following shortcoming in the use in this lockset:

(1) annular groove 11 because of elongate rod 10 is formed with vertical incision, falls into for making lock pin 12, and its width is bigger than lock pin 12 surely, so can cause the unsteady phenomenon of lock pin 12 inlay cards.

(2) be that vertical incision forms because of annular groove 11, can guide lock pin 12 smooth-going entering in the annular groove 11 without any device or structure, so when elongate rod 12 stretches fast outward, can cause lock pin 12 and cause elongate rod 10 to be deviate from outside the body 13 not as good as entering in the annular groove 11.

Main purpose of the present utility model is to overcome above-mentioned shortcoming, provide a kind of lock pin to fall really and firmly embedding be held in the annular groove of elongate rod, when preventing to stretch elongate rod with sudden force, cause whole of elongate rod to be drawn out, have more the vehicle steering lockset of safety.

The vehicle steering pin tool of doing unidirectional pulling that the utility model proposes comprises:

One body, its bottom upwards vertically is provided with a perforation, and the top laterally is provided with a lockhole, and the lockhole top is formed with a dimple;

One spring and a lock pin, in regular turn from the perforation of body establish into, its medi-spring top is held in the dimple of body, the lower end then is butted in the hole seat at lock pin top, lock pin one side central authorities are provided with a groove, and the lower left is provided with a L type tangent plane, and the lower right then is provided with a L type tangent plane and an inclined-plane;

One block, plug is fixed in the perforation bottom of body;

One core is inserted in the pin-and-hole of above-mentioned body, and end is equipped with half circular cylinder;

One loop bar is fixed in body one end, and a side then is welded with a coupler body;

One elongate rod is inserted in the through hole and loop bar of body, and pole face is provided with the more piece groove, and front end is provided with a fixing coupler body;

It is characterized in that: top, the elongate rod proximal end annular groove left side is provided with a slide guide inclined-plane, middle section, the right side then is provided with an inclined-plane, the top, inclined-plane then is provided with a vertical configuration embedding blocking tangent surface, so, when elongate rod stretches outward, lock pin promptly can be suitable along with the cunning on slide guide inclined-plane is led and entered rapidly and positively in the annular groove of elongate rod, and stable being embedded on the embedding blocking tangent surface on the annular groove right side, at this moment, the inclined-plane of lock pin right side below then with the annular groove right side in the middle of the inclined-plane paste and touch, so, can prevent when stretching elongate rod with sudden force, and cause whole of elongate rod to be drawn out and injure the people, the accident of thing takes place, and then guarantees the safe effect that uses.

Relevant the purpose of this utility model, effect and structure exemplify a preferable possible embodiments and conjunction with figs. details are as follows, wherein:

Fig. 1 is the scheme drawing of Lock for automobile that can unidirectional pulling in the prior art.

Fig. 2 is the three-dimensional exploded view of an embodiment of the present utility model.

Fig. 3 is the lock pin side-looking enlarged drawing of an embodiment of the present utility model.

Fig. 4 is the cutaway view Amplified image of the elongate rod end of an embodiment of the present utility model.

Fig. 5 is the part sectional view of an embodiment of the present utility model.

Fig. 6 is a scheme drawing that the embodiment lock pin buckles into of the present utility model.

Fig. 7 is the scheme drawing that an embodiment lock pin of the present utility model breaks away from.

At first see also Fig. 2 to 5, the utility model mainly is upwards vertically to be provided with a perforation 20 in the bottom of body 2, and this perforation 20 is handed over lockhole 21 crosses and passed through, and forms a dimple 200 in lockhole 21 tops, and the left side then is provided with a through hole 22; One spring 3 and a lock pin 4 establish from 20 bottoms of boring a hole in regular turn into, and spring 3 tops are to be held on the dimple 200 of body 2, the lower end then is butted on the hole seat 40 at lock pin 3 tops; And lock pin 4 one side central authorities are provided with a groove 41, and the left side, lower end is respectively equipped with one and is L

type tangent plane

42,43, and an inclined-plane 44 is then established in below, the right side; One block, 5 plugs are fixed in perforation 20 bottoms; One core 6 is inserted in lockhole 21, and its end is equipped with half circular cylinder 60, and it has a plane 600 and an

arc surface

601, and 60 of this semicircle cylinders stretch in the drop-center 41 of lock pin 4; One loop bar 7 is fixed in body 2 one ends, and its side is welded with a coupler body 70; One elongate rod 8 is inserted in the through hole 22 and loop bar 7 of body 2, its pole face is provided with more piece groove 80, the proximal end position then is provided with an annular groove 81, this top, annular groove 81 left sides is provided with a slide guide inclined-plane 810, be provided with 811 tops, an inclined-plane in the middle of the right side and then be provided with a vertical embedding blocking tangent surface 812, the front end of elongate rod 8 also is provided with a fixing coupler body 82 again.

Via the combination of above-mentioned member, the plane 600 of core 6 terminal semicircle cylinders 60 is the top of shoring lock pin groove 41, and this moment, lock pin 4 was to be positioned at extreme lower position, stretched into simultaneously in the groove 80 of elongate rod 8.

See also Fig. 6 and 7, during use, when elongate rod 8 is outwards stretched, can be by the inclined-plane on the elongate rod 8 83 stretch outward with the wiping freedom on the inclined-plane 44 of lock pin 4, and enter along sliding the leading in the slide guide inclined-plane 810 on terminal annular groove 81 left sides to lock pin 4, then lock pin 4 right-hand tangent planes 43 are embedded on the embedding blocking tangent surface 812 of 811 tops, annular groove 81 inclined-planes, and 44 inclined-planes 811 proper and that annular groove 81 right sides are middle, inclined-plane of below, lock pin 4 right sides paste and touching; Therefore when stretching use, in case overexert, lock pin 4 promptly can be led and embed rapidly in the annular groove 81 along the cunning on the slide guide inclined-plane 810 on annular groove 81 left sides of elongate rod 8, then elongate rod 8 promptly is unlikely and is drawn out outside the body 2, and injure own or other people, even smash the interior glass of car, and then guarantee the best safety result of use.

If desire pushes elongate rod 8 and folds, only must core 6 be turn 90 degrees to the right with key, then semicircle cylinder 60 is about to lock pin 4 and up shores (as shown in Figure 7) and break away from annular groove 81, at this moment, elongate rod 8 promptly no longer is subjected to the restriction of lock pin 4, and can be pushed back in the loop bar 7, and is last, with core 6 counter turning 90 degrees, make semicircle cylinder 60 reply groove 41 contact conditions (as shown in Figure 6) of original plane 600 and lock pin 4 again again.

In sum, the utlity model has following advantage and effect:

(1) lock pin can be led along the cunning on the slide guide inclined-plane on the elongate rod annular groove left side, and makes lock pin really fall into annular groove.

When (two) lock pin falls into annular groove, be embedded in because of the lock pin right side on the embedding blocking tangent surface of annular groove right side top, and bottom-right inclined-plane just with the annular groove right side in the middle of the inclined-plane paste tactile, so that the lock pin embedding is held is more firm.

(3) because lock pin can fall into annular groove really, the phenomenon of deviating from body so can prevent the elongate rod Rapid stretching takes place.

This shows that the utility model really can reach desired use effect and purpose, hold more firmly than known automotive lock that the phenomenon of deviating from body in the time of more really preventing the elongate rod Rapid stretching takes place, its simple and practical property is strong.

Claims

1. A car steering wheel lock that can be pulled in one direction, comprising:

A body, the bottom of which is vertically provided with a perforation, the top is provided with a keyhole horizontally, and the top of the keyhole is formed with a recess;

A spring and a lock pin are inserted sequentially from the through hole of the body. The top end of the spring is supported in the recess of the body, and the bottom end is pressed against the hole seat on the top of the lock pin. A groove is provided in the center of one side of the lock pin. There is an L-shaped cut surface on the lower left, and an L-shaped cut surface and an inclined surface on the lower right;

a stopper, plugged and fixed at the perforated bottom of the body;

A lock core, inserted into the pin hole of the above body, with a semi-circular cylinder projecting from the end;

A set of rods is fixed at one end of the body, and a hook body is welded on one side;

A slender rod, inserted into the through hole of the body and the sleeve rod, with multi-section grooves on the rod surface, and a fixed hook at the front end;

It is characterized in that: a guide slope is provided above the left side of the ring groove near the end of the slender rod, a slope is provided at the middle section of the right side, and a vertical blocking cut surface is provided above the slope.